Pipe linings made from textile of polyester combined with epoxy or vinyl ester; branch pipes made from polyester for pipelines

'branch':14 'combin':8 'epoxi':10 'ester':13 'line':2 'made':3,16 'pipe':1,15 'pipelin':20 'polyest':7,18 'textil':5 'vinyl':12

Pipe lining, tubing and drill pipe installation

'drill':5 'instal':7 'line':2 'pipe':1,6 'tube':3

Substances of polyester paste for use in the filling of flaws in surfaces; substances of polyester paste for use in the repair of flaws in surfaces

'fill':9 'flaw':11,24 'past':4,17 'polyest':3,16 'repair':22 'substanc':1,14 'surfac':13,26 'use':6,19

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